Documentation
The Data Manual contains all the key information on data preparation, as well as the structure of the Scientific Use File and the datasets from each wave included therein. It also includes additional information on the experimental design and the gross data.
Schütze, P., Schick, T., Leßner, L. & Joraschek, A. (2026) GLEN Data Manual. Release 1.0. GLEN Documentation.
https://doi.org/10.11588/heidok.00038807
Design and Cumulative Field Report
The Design and Cumulative Field Report describes the structure and panel design of the GLEN study. It also includes reports on the individual waves and inter-wave surveys. In addition, it provides an overview of the timeline, response rates, and panel composition.
Schmiedeberg, C., Königer, L., & Emmer, J. (2026). GLEN Design and Cumulative Field Report. Release 1.0. GLEN Documentation.
https://doi.org/10.11588/heidok.00038798
Instruments Reference Manual
The Instrument Reference Manual is a reference guide to all instruments and scales that GLEN has adopted from other studies. It also documents all changes that have been made to the instruments.
Bozoyan, C., Schmiedeberg, C., Schmidt, M., & Wolter, F. (2026). GLEN Instrument Reference Manual, Release 1.0. GLEN Documentation.
https://doi.org/10.11588/heidok.00038799
Variable Overview
The variable overview provides a summary of all items and variables that have been used in GLEN surveys to date. It lists all questions along with their labels and variable names, as well as the waves in which they were asked.
Additional Documents
Here you will find additional documents from the GLEN study, including the methodology reports from the Field Research Institute Verian, as well as the respondent correspondence from each survey.